Rewrite Meetup class

This is more JavaScript class idiomatic. It also allows for future
abstractions like removing the hard coded URLs.

The original file used tabs so I kept that even though the .vimrc seems
to contradict this.

This also uses UMD for encapsulation which makes it more universal to
be pulled into other websites.

js/meetup-events.js

@@ -1,38 +1,54 @@
-'use strict';
-
-var Meetup = function(meetupURL) {
-	this.meetupURL = (typeof meetupURL!=='undefined') ? meetupURL :
-	"https://api.meetup.com/2/events?offset=0&format=json&limited_events=False&group_urlname=techcorridorio&page=200&fields=&order=time&desc=false&status=upcoming&sig_id=168857872&sig=e659cc6038d27adf6eae600a44905c69196c77df";
-
-	this.getEvents = function(callback) {
-		$.ajax({
-			url: this.meetupURL,
-			dataType: 'jsonp'
-		})
-		.done(function(data) {
-            callback(data);
-
-		})
-		.fail(function(error) {
-			console.log("Meetup API Request Failed");
+/* globals define */
+(function(root, factory) {
+	if (typeof define === 'function' && define.amd) {
+		// AMD. Register as an anonymous module.
+		define([], function() {
+			// Also create a global in case some scripts
+			// that are loaded still are looking for
+			// a global even when an AMD loader is in use.
+			return (root.Meetup = factory());
 		});
+	} else {
+		// Browser globals
+		root.Meetup = factory();
+	}
+}(this, function() {
+	'use strict';
+
+	// TODO: These URLs should not be hard coded here.
+	var EVENTS_URL = 'https://api.meetup.com/2/events?offset=0&format=json&' +
+		'limited_events=False&group_urlname=techcorridorio&page=200&fields=&' +
+		'order=time&desc=false&status=upcoming&sig_id=168857872&' +
+		'sig=e659cc6038d27adf6eae600a44905c69196c77df';
+
+	var DEVELOPERS_URL = 'https://api.meetup.com/2/members?format=json&' +
+		'group_urlname=techcorridorio&photo-host=public&order=name&' +
+		'sig_id=70201382&sig=5b77206251c64989f61e8f45580e0d200221f5d4&' +
+		'page=20&offset={{offset}}';
+
+	function getMeetupEndpoint(url) {
+		return $.ajax({url: url, dataType: 'jsonp'});
+	}
+
+	function Meetup() {
+		var requestedPage = window.location.search.match(/page=(\d+)/);
+		var offset = (requestedPage == null ? 0 : parseInt(requestedPage[1]) - 1);
+		this.offset = (offset < 0 ? 0 : offset);
+		this.meetupURL = this._urlFor(EVENTS_URL);
+		this.developersURL = this._urlFor(DEVELOPERS_URL);
+	}
+
+	Meetup.prototype._urlFor = function(urlTemplate) {
+		return urlTemplate.replace('{{offset}}', this.offset);
 	};
 
-	var requested_page = window.location.search.match(/page=(\d+)/);
-	var offset = (requested_page == null ? 0 : parseInt(requested_page[1]) - 1);
-	offset = (offset < 0 ? 0 : offset);
-	this.developersURL = "https://api.meetup.com/2/members?format=json&group_urlname=techcorridorio&photo-host=public&order=name&sig_id=70201382&sig=5b77206251c64989f61e8f45580e0d200221f5d4&page=20" +
-	                     "&offset=" + offset;
-	this.getDevelopers = function(callback) {
-		$.ajax({
-			url: this.developersURL,
-			dataType: 'jsonp'
-		})
-		.done(function(data) {
-            callback(data);
-		})
-		.fail(function(error) {
-			console.log("Meetup API Request Failed");
-		});
+	Meetup.prototype.getEvents = function() {
+		return getMeetupEndpoint(this.meetupURL);
+	};
+
+	Meetup.prototype.getDevelopers = function() {
+		return getMeetupEndpoint(this.developersURL);
 	};
-};
+
+	return Meetup;
+}));